List

a list of a number of objects, in order this datatype is often used to represent concepts such as a list of docid 7kum4sl wt2y ldfmo6qb s, a list of docid 8qnjloyooo5jnp4x2pucn s, etc properties property type description first object the first object in the sequence last object the last object in the sequence length docid\ uci5tctfvbhonej6zqijg the number of entries contained in the sequence reversed docid\ jg4itlqwafzlparttfo67 the sequence, in reverse order indexing by position you can return each item of the list using list\[index] syntax, starting numbering with 0 to represent the first item of the list for example, mylist\[2] will return the third element in the list representing lists to represent a list in an expression, you can use \[square brackets] with commas to separate the elements for example \[1, 2, 3] will represent a list containing the numbers 1, 2, and 3 \["director", "vp"] will represent a list containing the docid\ ujw2aqaktel5uuklup73s s "director" and "vp" list and equality comparisons the docid 50o8vwta5zp6sv8dqdwjl operator will test for list membership when comparing a singular value to a list for example, \["director", "vp"] = "vp" will return true, because "vp" (case insensitive) is a member of the list